package com.njust.filter;

import lombok.extern.slf4j.Slf4j;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * @author zjwpro@foxmail.com
 * @date 2018/1/20 上午10:13
 */
@Slf4j
@Component
@Order(1)
public class CorsFilter implements Filter{

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {

    }

    @Override
    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest request=(HttpServletRequest)req;
        HttpServletResponse response = (HttpServletResponse) res;
                response.setHeader("Access-Control-Allow-Origin", "*");
                //response.setHeader("Access-Control-Allow-Credentials","true");
                response.setHeader("Access-Control-Allow-Methods",
        "POST, GET, OPTIONS, DELETE,PUT");
              response.setHeader("Access-Control-Max-Age", "3600");
              response.setHeader("Access-Control-Allow-Headers",
                            "Content-Type, x-requested-with, X-Custom-Header, Authorization,currentUser");
             chain.doFilter(req, res);
    }

    @Override
    public void destroy() {

    }
}
